You can share presentations across Slack channels or individual members. You can set permission levels for collaborators. The presentations are shared in Slack. 

To share presentations in Show:

1. Open the required presentation in Show. 
   
   
   
   
2. Click Share. 
   
   
   
   
3. Add members and channels as collaborators. 
   
   
   
   
4. Set permission levels for collaborators. 
   
   
   
   
5. Click Share. You can now simultaneously work with collaborators and improve productivity. The concerned member receives a notification in Slack.